<template>
  <div>
    <el-form
      ref="numberValidateForm"
      label-width="100px"
      class="demo-ruleForm"
      :model="ruleForm"
      :rules="rules"
    >
      <el-form-item label="年龄" prop="choosed">
        <el-cascader
          v-model="ruleForm.choosed"
          :options="options"
        ></el-cascader>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="submitForm">提交</el-button>
        <el-button @click="resetForm('numberValidateForm')">重置</el-button>
      </el-form-item>
    </el-form>
    <div>
      <p></p>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    var validatePass = (rule, value) => {
      if (value === []) {
        callback(new Error("请输入密码"));
      } else {
        if (this.ruleForm.choosed !== "") {
          this.$refs.numberValidateForm.validateField("choosed");
        }
      }
    };
    return {
      ruleForm: {
        choosed: [],
      },
      options: [
        {
          value: "zhinan",
          label: "指南",
          children: [
            {
              value: "shejiyuanze",
              label: "设计原则",
              children: [
                {
                  value: "yizhi",
                  label: "一致",
                },
                {
                  value: "fankui",
                  label: "反馈",
                },
                {
                  value: "xiaolv",
                  label: "效率",
                },
                {
                  value: "kekong",
                  label: "可控",
                },
              ],
            },
            {
              value: "daohang",
              label: "导航",
              children: [
                {
                  value: "cexiangdaohang",
                  label: "侧向导航",
                },
                {
                  value: "dingbudaohang",
                  label: "顶部导航",
                },
              ],
            },
          ],
        },
        {
          value: "zujian",
          label: "组件",
          children: [
            {
              value: "basic",
              label: "Basic",
              children: [
                {
                  value: "layout",
                  label: "Layout 布局",
                },
                {
                  value: "color",
                  label: "Color 色彩",
                },
                {
                  value: "typography",
                  label: "Typography 字体",
                },
                {
                  value: "icon",
                  label: "Icon 图标",
                },
                {
                  value: "button",
                  label: "Button 按钮",
                },
              ],
            },
            {
              value: "form",
              label: "Form",
              children: [
                {
                  value: "radio",
                  label: "Radio 单选框",
                },
                {
                  value: "checkbox",
                  label: "Checkbox 多选框",
                },
                {
                  value: "input",
                  label: "Input 输入框",
                },
                {
                  value: "input-number",
                  label: "InputNumber 计数器",
                },
                {
                  value: "select",
                  label: "Select 选择器",
                },
                {
                  value: "cascader",
                  label: "Cascader 级联选择器",
                },
                {
                  value: "switch",
                  label: "Switch 开关",
                },
                {
                  value: "slider",
                  label: "Slider 滑块",
                },
                {
                  value: "time-picker",
                  label: "TimePicker 时间选择器",
                },
                {
                  value: "date-picker",
                  label: "DatePicker 日期选择器",
                },
                {
                  value: "datetime-picker",
                  label: "DateTimePicker 日期时间选择器",
                },
                {
                  value: "upload",
                  label: "Upload 上传",
                },
                {
                  value: "rate",
                  label: "Rate 评分",
                },
                {
                  value: "form",
                  label: "Form 表单",
                },
              ],
            },
            {
              value: "data",
              label: "Data",
              children: [
                {
                  value: "table",
                  label: "Table 表格",
                },
                {
                  value: "tag",
                  label: "Tag 标签",
                },
                {
                  value: "progress",
                  label: "Progress 进度条",
                },
                {
                  value: "tree",
                  label: "Tree 树形控件",
                },
                {
                  value: "pagination",
                  label: "Pagination 分页",
                },
                {
                  value: "badge",
                  label: "Badge 标记",
                },
              ],
            },
            {
              value: "notice",
              label: "Notice",
              children: [
                {
                  value: "alert",
                  label: "Alert 警告",
                },
                {
                  value: "loading",
                  label: "Loading 加载",
                },
                {
                  value: "message",
                  label: "Message 消息提示",
                },
                {
                  value: "message-box",
                  label: "MessageBox 弹框",
                },
                {
                  value: "notification",
                  label: "Notification 通知",
                },
              ],
            },
            {
              value: "navigation",
              label: "Navigation",
              children: [
                {
                  value: "menu",
                  label: "NavMenu 导航菜单",
                },
                {
                  value: "tabs",
                  label: "Tabs 标签页",
                },
                {
                  value: "breadcrumb",
                  label: "Breadcrumb 面包屑",
                },
                {
                  value: "dropdown",
                  label: "Dropdown 下拉菜单",
                },
                {
                  value: "steps",
                  label: "Steps 步骤条",
                },
              ],
            },
            {
              value: "others",
              label: "Others",
              children: [
                {
                  value: "dialog",
                  label: "Dialog 对话框",
                },
                {
                  value: "tooltip",
                  label: "Tooltip 文字提示",
                },
                {
                  value: "popover",
                  label: "Popover 弹出框",
                },
                {
                  value: "card",
                  label: "Card 卡片",
                },
                {
                  value: "carousel",
                  label: "Carousel 走马灯",
                },
                {
                  value: "collapse",
                  label: "Collapse 折叠面板",
                },
              ],
            },
          ],
        },
        {
          value: "ziyuan",
          label: "资源",
          children: [
            {
              value: "axure",
              label: "Axure Components",
            },
            {
              value: "sketch",
              label: "Sketch Templates",
            },
            {
              value: "jiaohu",
              label: "组件交互文档",
            },
          ],
        },
      ],
      rules: {
        choosed: [{ validator: validatePass, trigger: "change" }],
      },
    };
  },
  methods: {
    submitForm() {
      this.$refs.numberValidateForm.validate((valid, object) => {
        console.log(valid);
        console.log(object);
        if (this.ruleForm.choosed.length > 0) {
          alert("submit!");
        } else {
          console.log("error submit!!");
          return false;
        }
      });
    },

    resetForm(formName) {
      this.$refs[formName].resetFields();
    },
  },
};
</script>

<style lang="scss" scoped>
.el-input {
  width: 500px;
}
</style>
